Assignee
ESM INC
4 granted patents·48 citations·filing 1973–1983
Top patents by PatentIndex Score
4 records- 0174US4126453AComposition for a fluidizing flux in the production of iron and steelESM INC·Filed 1977·Granted Nov 21, 1978·11 cites·7 claims
- 0264US4057225AScrew feeder for granular materialESM INC·Filed 1976·Granted Nov 8, 1977·27 cites·3 claims
- 0357US4444590ACalcium-slag additive for steel desulfurization and method for making sameESM INC·Filed 1983·Granted Apr 24, 1984·5 cites·11 claims
- 0438US3982929AComposition for a fluidizing flux in the production of iron and steelESM INC·Filed 1973·Granted Sep 28, 1976·5 cites·4 claims
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